package com.lagou.edu.service.impl;

import com.lagou.edu.annotation.MyAutowired;
import com.lagou.edu.annotation.MyService;
import com.lagou.edu.annotation.MyTransactional;
import com.lagou.edu.dao.AccountDao;
import com.lagou.edu.dao.impl.JdbcAccountDaoImpl;
import com.lagou.edu.factory.BeanFactory;
import com.lagou.edu.pojo.Account;
import com.lagou.edu.service.TransferService;
import com.lagou.edu.utils.ConnectionUtils;
import com.lagou.edu.utils.TransactionManager;

@MyService("transferService")
@MyTransactional
public class TransferServiceImpl implements TransferService {
    //private AccountDao accountDao = new JdbcAccountDaoImpl();
    //private AccountDao accountDao = (AccountDao) BeanFactory.getBean("accountDao");
    @MyAutowired
    private AccountDao accountDao;
    public void setAccountDao(AccountDao accountDao) {
        this.accountDao = accountDao;
    }
    @Override
    public void transfer(String fromCardNo, String toCardNo, int money) throws Exception {
        try {
            TransactionManager.getInstance().startTransacion();
            Account from = accountDao.queryAccountByCardNo(fromCardNo);
            Account to = accountDao.queryAccountByCardNo(toCardNo);
            from.setMoney(from.getMoney() - money);
            to.setMoney(to.getMoney() + money);
            accountDao.updateAccountByCardNo(from);
            accountDao.updateAccountByCardNo(to);
            TransactionManager.getInstance().commit();
        } catch (Exception e) {
            e.printStackTrace();
            TransactionManager.getInstance().rollback();
            throw e;
        }
    }
}
